CERN Accelerating science

CERN Document Server Znaleziono 116 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 1.54 sekund. 
1.
A comparison between irradiated magnetic Czochralski and float zone silicon detectors using the transient current technique / Bates, A G (Glasgow U. ; CERN) ; Moll, M (CERN)
Magnetic Czochralski (MCz) silicon has recently become a promising material for the development of radiation tolerant detectors for future high-luminosity HEP experiments. A thorough study of 24 GeV/$c$ proton-irradiated p$^+$-in-n Float Zone (FZ) , Diffusion Oxygenated Float Zone (DOFZ) and MCz silicon detectors has been conducted using the standard radiation damage characterization tools $IV$ and $CV$ , the Transient Current Technique (TCT) and annealing studies. [...]
2005 - 12 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 555 (2005) 113-124
2.
Czochralski silicon radiation detectors / Bates, A G (Glasgow U.)
An overview is presented of some of the recent results concerning the suitability of Czochralski silicon to High Energy Physics (HEP) radiation detectors. It has been shown that an elevated oxygen concentration within the bulk silicon of detectors offers increased radiation hardness to charged particle radiation. [...]
2006 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 569 (2006) 73-76
In : 14th International Workshop on Vertex Detectors, Nikko, Japan, 7 - 11 Nov 2005, pp.73-76
3.
Performance of the LHCb Vertex Locator / Aaij, R. (Nikhef, Amsterdam) ; Affolder, A. (Liverpool U.) ; Akiba, K. (UFRJ, Rio de Janeiro) ; Alexander, M. (Glasgow U.) ; Ali, S. (Nikhef, Amsterdam) ; Appleby, R.B. (Manchester U.) ; Artuso, M. (Syracuse U. (main)) ; Bates, A. (Glasgow U.) ; Bay, A. (Ecole Polytechnique, Lausanne) ; Behrendt, O. (CERN) et al. /LHCb VELO Group
The Vertex Locator (VELO) is a silicon microstrip detector that surrounds the proton-proton interaction region in the LHCb experiment. The performance of the detector during the first years of its physics operation is reviewed. [...]
arXiv:1405.7808; CERN-LHCB-DP-2014-001.- 2014 - 61 p. - Published in : JINST 9 (2014) P09007 Fulltext: arXiv:1405.7808 - PDF; 10.1088_1748-0221_9_09_P09007 - PDF; IOP Open Access article: PDF; External link: Preprint
4.
Amplitude analysis and the branching fraction measurement of $\bar{B}^0_s \to J/\psi K^+K^-$ / LHCb Collaboration
An amplitude analysis of the final state structure in the $\overline{B}_s^0 \to J/\psi K^+K^-$ decay mode is performed using $1.0~\rm fb^{-1}$ of data collected by the LHCb experiment in 7 TeV center-of-mass energy $pp$ collisions produced by the LHC. A modified Dalitz plot analysis of the final state is performed using both the invariant mass spectra and the decay angular distributions. [...]
arXiv:1302.1213; LHCB-PAPER-2012-040; CERN-PH-EP-2013-008; LHCB-PAPER-2012-040; CERN-PH-EP-2013-008.- Geneva : CERN, 2013-04-08 - 23 p. - Published in : Phys. Rev. D 87 (2013) 072004 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
5.
Measurement of the fragmentation fraction ratio $f_{s}/f_{d}$ and its dependence on $B$ meson kinematics / LHCb collaboration
The relative production rate of $B^{0}_{s}$ and $B^{0}$ mesons is determined with the hadronic decays $B^{0}_{s} \rightarrow D^{-}_{s}\pi^{+}$ and $B^0 \rightarrow D^{-}K^{+}$. The measurement uses data corresponding to 1.0 fb$^{-1}$ of $pp$ collisions at a centre-of-mass energy of $\sqrt{s}=7$ TeV recorded in the forward region with the LHCb experiment. [...]
arXiv:1301.5286; CERN-PH-EP-2013-006; LHCB-PAPER-2012-037; CERN-PH-EP-2013-006; LHCB-PAPER-2012-037.- Geneva : CERN, 2013 - 18 p. - Published in : JHEP 04 (2013) 001 Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
6.
Measurement of $CP$ observables in $B^0\to D K^{*0}$ with $D\to K^+K^-$ / LHCb Collaboration
The decay $B^0 \to D K^{*0}$ and the charge conjugate mode are studied using 1.0${\mathrm fb}^-1$ of $pp$ collision data collected by the LHCb experiment at $\sqrt{s} = 7TeV$ in 2011. The CP asymmetry between the $B^0 \to D K^{*0}$ and the $\bar{B}^0 \to D \bar{K }^{*0}$ decay rates, with the neutral D meson in the CP-even final state $K^+K^-$, is found to be \begin{equation*} {\cal A}_d^{KK} = -0.45 \pm 0.23 \pm 0.02, \end{equation*} where the first uncertainty is statistical and the second is systematic. [...]
arXiv:1212.5205; CERN-PH-EP-2012-362; LHCB-PAPER-2012-042; CERN-PH-EP-2012-362; LHCB-PAPER-2012-042.- Geneva : CERN, 2013 - 10 p. - Published in : JHEP 03 (2013) 067 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
7.
Measurement of the cross-section for $Z\to e^+e^-$ production in $pp$ collisions at $\sqrt{s} =7$ TeV / LHCb Collaboration
A measurement of the cross-section for pp$ \rightarrow$Z$ \rightarrow$e$^+$e$^-$ is presented using data at $\sqrt{s}=7$ TeV corresponding to an integrated luminosity of 0.94 fb$^{-1}$. The process is measured within the kinematic acceptance $p_{\mathrm{T}}>20$GeV/$c$ and $2<\eta<4.5$ for the daughter electrons and dielectron invariant mass in the range 60-120 GeV/$c^2$. [...]
arXiv:1212.4620; CERN-PH-EP-2012-363; LHCB-PAPER-2012-036; CERN-PH-EP-2012-363; LHCB-PAPER-2012-036.- Geneva : CERN, 2013 - 22 p. - Published in : JHEP 02 (2013) 106 APS published version, local copy: PDF; Fulltext: arXiv:1212.4620 - PDF; LHCb-PAPER-2012-036 - PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Rivet analyses reference
8.
Measurement of the forward energy flow in $pp$ collisions at $\sqrt{s}$= 7 TeV / LHCb Collaboration
The energy flow created in pp collisions at $\sqrt{s}$=7 TeV is studied within the pseudorapidity range 1.9<eta<4.9 with data collected by the LHCb experiment. The measurements are performed for inclusive minimum-bias interactions, hard scattering processes and events with an enhanced or suppressed diffractive contribution. [...]
arXiv:1212.4755; CERN-PH-EP-2012-346; LHCB-PAPER-2012-034; CERN-PH-EP-2012-346; LHCB-PAPER-2012-034.- Geneva : CERN, 2013 - 17 p. - Published in : Eur. Phys. J. C 73 (2013) 2421 APS published version, local copy: PDF; Fulltext: PDF; Related data (files): ZIP; Springer Open Access article: PDF; External link: Rivet analyses reference
9.
Measurement of $J/\psi$ production in $pp$ collisions at $\sqrt{s}=2.76$ TeV / LHCb Collaboration
The production of $J/\psi$ mesons is studied with the LHCb detector using data from $pp$ collisions at $\sqrt{s}=2.76\, {\rm TeV}$ corresponding to an integrated luminosity of $71\,{\rm nb}^{-1}$. The differential cross-section for inclusive $J/\psi$ production is measured as a function of its transverse momentum $p_{\rm T}$. [...]
arXiv:1212.1045; CERN-PH-EP-2012-349; LHCB-PAPER-2012-039; CERN-PH-EP-2012-349; LHCB-PAPER-2012-039.- Geneva : CERN, 2013 - 18 p. - Published in : JHEP 02 (2013) 041 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
10.
Implications of LHCb measurements and future prospects / LHCb Collaboration
During 2011 the LHCb experiment at CERN collected $1.0 {\mbox{fb}^{-1}}$ of $\sqrt{s} = 7 {\mathrm{\,Te\kern -0.1em V}}$ $pp$ collisions. Due to the large heavy quark production cross-sections, these data provide unprecedented samples of heavy flavoured hadrons. [...]
arXiv:1208.3355; LHCb-PUB-2012-006; LHCB-PAPER-2012-031; CERN-PH-EP-2012-334; LHCb-PUB-2012-006; LHCB-PAPER-2012-031; CERN-PH-EP-2012-334.- Geneva : CERN, 2013-04-26 - 178 p. - Published in : Eur. Phys. J. C 73 (2013) 2373 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External links: PDF on ECONF; Proceedings write-up on ECONF

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